Turkish Chicken With Walnut Sauce

• 6 walnut kernels
• 1 1/2 crustless bread
• 1 1/2 well corinader seeds (toasted)
• 1 bouquet garni
• 1/2 lemon
• 1,100 gr chicken
• 30 ml walnut oil
• 7 gr paprika
• 2 slices onions
• some coriander